Metallic laundry net



July 14, 1931- H. A, GILBERTSON ET A1. 1,814,3.718

METALLIC LAUNDRY NET Filed March 8, 1928 /7 Venons:

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Wz'messes heir Atta/77e Patented July 14, 1931 UNITED sTATEs PATENTOFFICE g HELGE A. GILSBEBTSON, RICHARD J. C'UBTIN, AND RAYMOND C.JACO'BS, 0F l f CHICAGO, ILLINOIS unrALLrc LAUNDRY `zum' Application:Bled Inch 8, 1928. Serial No. 260,218'.

Oui` invention relates to improvements in laundry devices, and moreparticularly to those laundry devicesemployed in connection with thewashing, rins" bluing bleaching, and other processes inci ent to thepreparation of laund The general object of our invention is to providemeans adapted to ellect a substantial saving of' equipment, time andlabor in lo laundries, thereby greatly increasing the eiliciency ofestablishments engaged in this line of work.' i

'A more articular object of our invention isI to provi e a novel,laundry net of flexible,

u durable metallic construction, incorrodible to the acids and alkaliesused and non-absorbent to other chemicalsemployed in laundry work,

while adapted to give service over an indefimte n In modern laundrypractice, it is customary known, a considerable percentage of he soap, yin t e above alkali, and other solutions use mentioned processes areabsorbed directly into the fabric net containers. By repeated tests, itis found the average cotton fabric laundry net now in use and weighingapproximately fourteen ounces, absorbs two and onehalf times its ownweight of the solutions emloyed.` In other words, a fourteenounce aundrynet absorbs approximately 35 ounces of solution. The immediate result ofthis great absorption of solution is a quick llution of the rinsingwater into whic the washed articles are immediately immersed afterwashing. Seven rinsings are generally employed to :Eme the washedarticles from the i washing solutions. y I t is, of course, understoodthat during .the washmg process the nets with the articles therein areplaced in a large drum or vat f a partially illedwith asoap solutionandlthe drum rotated, by the suitable application of power, two or threetimes in one direction, then immediately followed by an equal number ofrevolutions in the o posite direction,- this cycle being repeats untilthe desired cleansing is obtained. The nets during the rotation ofthedrum are tumbling about therein in the solution, it being observedthat a mechanical squeezing and kneading of the rment is effected by thefalls and rebounds t ereof, which assists in drawing in, expelling andcommunicatin movement to the solution into, around and t rough the netand its contents. '.lhhis same rocedure isused in cong5 nection with theot er processes preparatoryv to. drying of the artic es in thecentrifugal machine.- i

The method above indicated is that now employed in moderncommerciallaundries,"10'i v vbeinlg eicient.vl However, in actual practice, 1t 1sesesntialy mechanical and thorou bly found they fabric nets by constantimmersion in the various solutions used are subject to r rapiddeterioration', thus: soon 4resulting in 75 rupture and disintegrationof the net. As this comparatively early breakdown orbrsting of the netis likely to occur to other' nets of the sameage and usage atabout thesame time, considerable vinconvenience isl gq caused by theintermingling of diverse articles 4belonging to different. individuals,thereby occasioning greatconfusion and quite often loss of some oftheYarticles through inability to identifythe owner. sa other respects, thetextile net heretofore 1n" use did not permit a's free a flow of thesolution therethrough as would be-de'sired, necessitating a longer'period of immersion 1n the drum.' Enumerating, therefore, briey the 1disadvantages of the present textile net in use for the purpose ofsetting .forth the superior method. and construction now to be definedin detail, it may be said the defects of the textile net are (1) theabsorption of solutions, (2) the im edance of flow of the solutionswithin the Ibags, (3) early disintegration of the bags, (V4) timerequired to' complete the several processes.

By means of our invention now to be described, we have succeeded inovercoming the above disadvantages in addition to which we secureimportant mechanical advantages in that a freer flow 'of solution isachieved through the more open interstices of our metallic mesh; amorethorough kneading,

effect of the garments within our net is obtained by reason of itscompactness and freer transmission of the movements arising during itstumblings in. the drum, lwhile being incorrodible and non-absorbent tothe Solu" metal rings 11, which, shownfin Figure 2 vthe-utmost lexibilitwith a comparatively are interlaced in a manner whereby each ofY the,rings are passed'threugh three other sim-,I ilar rings, this methodproviding a mesh of 'large orice, for the'ingress and egressl of thesolutions'in whichthe bag with its contents is immersed. The ends ofeach of the rings or links 11 are smoothly soldered or brazedtogetherfwhereby an endlessV non-abrasive 4metallic fabrication isobtained. As a' clo- .sure for the net, we provide what iscommonlytermed ablanket safety pin 12 which serves tohold the` mouth of thenet closed during manipulation thereof while the clasp "13 permits thedetachment of the safety Vpin when the net is to be emptied. `As ameansbe `placed on the joint 14 of the pin.

-have found by experience nearly all of the so-called familiar metals tobe unsuitedA l for the purpose of a Vnet to .be employed as a containerfor articles during the laundry process above indicated, but as anyimportant feature of our invention, wehave ascertained by experiment analloy termed Monel metal to admirably adapt itself to the functionsrequired for use in laundry work. This metal is practically incorrodibleto the normalsol'uthen, our invention in connecl `as hampers andcarriers Aof heterogeneousbe made oval or ot ofidentifi'cation, areference charactervmay v neueste` tions employed in laundryiwork, whichfor s the'most part are alkaline and in some cases acidulous, the latterbeing employed to counteract and neutralize the presence of alkaliremaining in the washed garments. The soap and bluing solutions, ofcourse, are not as inj urious in their effects as the alkali and acidsindicated, nevertheless the bleaching process again is a powerfulcaustic and destructive agency to the textile nets heretofore employed,which, unlike the garments washed, were almost continuously subjected tothe action ofthe solutions. Particularattention is called to thecomparativel large interstices of our metallic net mesh w lch providefor a much freer liow of solution than was possible to the textilenetsused.

We have found in actual practice that the i f washing process may bemore quickly accomplished by the use of these nets by reason of the morefree flow-of solution into and out of the bags thanV was possible tothetextile nets heretofore employed; in addition to which it is found thatat least one or two of the rinsings required can be dispensed with gother processes to Vwhich the washed` and rlnsed articles are nowsubjected, and since j the articles are laundered with more mechanicaland less chemical treatment, a longer life to the articles so treated issecured. As a coni sequence of our method and themeans employed, asubstantial saving of time, labor,

consumption of power and materialis clearly',

' demonstrable.

We are aware of the use of metallic meshes s ies of merchandise b ut theuse of amet-al'- 11o' mesh of the herein detaileddescription we believeto be new in the laundry art.

los

While we have described the nature of our y invention and thestructuralfdetails' thereof with particularity, it will be understoodthat Aminor variationsl and chan es may bemade .therein withoutdeparting rom the spirit of our invention. It will be obvious forinstance that a larger or smaller metallic mesh may be substituted forthat indicated, or that for example the configuration of the rings coulder kdesired sha e.

What we claim as new and desire -to secure, by Letters -Patent is: ,Y

1. Al laundry net fholding fabric articles immersed within a liquid tobe mechanically agitated for 'the purpose of treating the f .articlescontained therein, comprising ametallic meshingl constructed ofinter-laced rmgs, said rings having complete continuity and smoothnessthroughout, and composed of metal havin non-corrosive properties. 2. Alaun Y net for holding fabric articles immersed wit in a liquid to bemechanically agitated for the urpose of treating the articles containedt erein, comprising a metallic meshing constructed of inter-laced rinsaid rings having complete continuity an smoothness throughout, each ofsaid rings arranged to engage three ad'acent rings in the body of themeshing, an said rings composed of metal having non-corrosiveproperties. y

In testimony whereof we have signed bur names to this specification.

HELGE A. GILBERTSON. RICHARD J. CURTIN. .RAYMOND C. JACOBS.

